Shumakova Т. Increasing the productivity of details treatment in vibrating containers by the form of instrument choice

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0410U005994

Applicant for

Specialization

  • 05.03.01 - Процеси механічної обробки, верстати та інструменти

21-10-2010

Specialized Academic Board

Д 64.050.12

National Technical University "Kharkiv Polytechnic Institute"

Essay

Тhe object of staid: process of vibration treatment in the U- shaped containers of vibration machine-tools. A research purpose is an increase of the productivity of treatment of details in the U- shaped containers of vibration machine-tools by the choice of form of instrument - single abrasive granule. Research methods - the theoretical aspects of dissertation are based on scientific positions of theoretical mechanics, theory of vibroabrazivnoy treatment and modern mathematical tool. At the mathematical design of co-operation of instrument (abrasive granule), having a certain geometrical form, with the surface of good the law of saving of impulse was utillized. For planning and research of efficiency of form of granule drawn on a programmatic complex Autocad/visual LISP, MAPLESOFT MAPLE, and also methods of Monte Carlo and method of binary search of collisions. Theoretical and practical results: complex of the programs and rekrmendacii for creation of effective abrasive granules for treatment of details free abrasives. Theoretical and practical results: complex of the programs and rekrmendacii for creation of effective abrasive granules for treatment of details free abrasives. Novelty: set and grounded influence of the offered form of abrasive granules on periodic by volume expansion of working environment and change circulation speed of stream at his moving along walls and bottom of container, which determines and allows to promote the productivity of process of vibration treatment; by the mathematical design of co-operation of single granule with the surface of good under act of vibration influence of abrasive granule of the offered form is set on constancy of high performance of process; in theory obosnovanna and an optimum form is experimentally found from the offered forms of abrasive granule which provides constancy of high capacity of instrument due to his samozatachivaniyu in the process of vibration treatment. Degree of introduction - it is set that the most productive form of granule, used for treatment of details free abrasives, is a bilateral pyramid, in the transversal crossing of which an unprotuberant hexagon lies with an external corner 60 degrees, by an internal corner 120 degrees and by a corner at the top of granule of 55gradusov (patent on an useful model № 40383), that allows to promote the productivity of process of oscillation treatment on 23-39 % as compared to the industrially produced abrasive granules. It is introduced into manufacture with economic benefit. A scope - mechanical engineering.

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